Supersmile Single Dose Whitening Mouthrinse

It has a gritty texture, the powder doesn't completely dissolve

Works ok and it is easy to use, price is not to bad.

Its a better idea to teeth stains and odors could be better on the price.

after trying this for the first time, I felt like I had put sand in my mouth as this is what it felt like. The powder doesn't dissolve as well as it should and for what I got, it would have been easier to just keep a small tube of toothpaste with me. I...